139197462 has 32 divisors (see below), whose sum is σ = 296086752. Its totient is φ = 43474944.

The previous prime is 139197427. The next prime is 139197463. The reversal of 139197462 is 264791931.

139197462 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139197463) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20838 + ... + 26694.

It is an arithmetic number, because the mean of its divisors is an integer number (9252711).

Almost surely, 2^139197462 is an apocalyptic number.

139197462 is an abundant number, since it is smaller than the sum of its proper divisors (156889290).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

139197462 is a wasteful number, since it uses less digits than its factorization.

139197462 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6112.

The product of its digits is 81648, while the sum is 42.

The square root of 139197462 is about 11798.1974046886. The cubic root of 139197462 is about 518.2553240082.

The spelling of 139197462 in words is "one hundred thirty-nine million, one hundred ninety-seven thousand, four hundred sixty-two".